POCATELLO, Idaho (AP)  An armed man surrendered Saturday night following an 18-hour standoff on the Fort Hall Indian Reservation in southeast Idaho, authorities said.There were no reports of any injuries as a result of the confrontation, which began about 3 a.m. MDT.The Idaho State Journal reported (http://bit.ly/1v51R4C ) that the standoff ended about 9:30 p.m. when the suspect surrendered outside his house to officers, including SWAT teams with armored vehicles.The newspaper reported that the man, identified by authorities as Ray Broncho, did not have any hostages.Authorities said that during the confrontation, the gunman had fired several times at officers.The incident began after officers received a report of shots fired in the home early Saturday, said Angelo Gonzales, Shoshone Bannock Tribes executive director. The reservation is just north of Pocatello.The newspaper said Broncho barricaded himself inside his house as law officers arrived on the scene.Earlier in the evening, FBI Special Agent Todd Palmer released a statement saying authorities were “working to peacefully resolve a situation on the Fort Hall Indian Reservation. At this time there is no danger to the community and surrounding residences have been evacuated.”Gonzales described the man as agitated during the standoff and at times poked his head out a window and yelled, while officers remained at a distance.FBI agents came to the scene late Saturday morning and a negotiator and SWAT team arrived several hours later. Five blocks of surrounding homes were evacuated and roads blocked in several locations.The Southeast Idaho SWAT team was also called in, Fort Hall Police and officials from other tribal departments assisted, and the Idaho Falls bomb squad was also on hand.Neighbor Jessica First told the Journal she thought she heard gunshots and saw Fort Hall police with guns drawn near her home early Saturday morning. Police evacuated her family, and they were waiting for news at a nearby hotel.____AP writer Lisa Baumann in Boise contributed to this report